chore(launch_bar): remove now redundant file

apps/client/src/widgets/quick_search_launcher.ts

@@ -1,34 +0,0 @@
-import utils from "../services/utils.js";
-import QuickSearchWidget from "./quick_search.js";
-
-/**
- * Similar to the {@link QuickSearchWidget} but meant to be included inside the launcher bar.
- *
- * <p>
- * Adds specific tweaks such as:
- *
- * - Hiding the widget on mobile.
- */
-export default class QuickSearchLauncherWidget extends QuickSearchWidget {
-
-    private isHorizontalLayout: boolean;
-
-    constructor(isHorizontalLayout: boolean) {
-        super();
-        this.isHorizontalLayout = isHorizontalLayout;
-    }
-
-    isEnabled() {
-        if (!this.isHorizontalLayout) {
-            // The quick search widget is added somewhere else on the vertical layout.
-            return false;
-        }
-
-        if (utils.isMobile()) {
-            // The widget takes too much spaces to be included in the mobile layout.
-            return false;
-        }
-
-        return super.isEnabled();
-    }
-}